How HIV First Started in Humans

The devastating AIDS epidemic has claimed hundreds of thousands of lives—did you know that a sick chimpanzee is part of what started it all? In the first video of our two part series on HIV and AIDS, join Michael Aranda and learn how scientists figured out what HIV is, when the infection morphs into AIDS, and where scientists think the virus originated. ---------- SciShow has a spinoff podcast! It s called SciShow Tangents. Check it out at http://www.scishowtangents.org ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: KSam Lutfi, Kevin Knupp, Nicholas Smith, Inerri, D.A. Noe, alexander wadsworth, سلطان الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Bella Nash, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Fatima Iqbal, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.avert.org/professionals/history-hiv-aids/overview https://aidsinfo.nih.gov/ https://www.hiv.gov/hiv-basics/overview/about-hiv-and-aids/what-are-hiv-and-aids https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3119211/ https://www.hiv.gov/hiv-basics/overview/history/hiv-and-aids-timeline https://hab.hrsa.gov/livinghistory/issues/Gay-Men.pdf https://www.cdc.gov/mmwr/preview/mmwrhtml/june_5.htm http://img.thebody.com/cdc/pdfs/mmwr04jul81.pdf http://science.sciencemag.org/content/224/4648/500 https://www. hingtonpost.com/news/to-your-health/wp/2015/02/24/tracing-the-long-convoluted-history-of-the-aids-epidemic\ http://www.iflscience.com/health-and-medicine/where-did-hiv-come/ http://www.stat.wisc.edu/~larget/Genetics629/hiv.pdf https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3234451/ http://www.who.int/gho/hiv/en/ https://www.cdc.gov/mmwr/preview/mmwrhtml/su6004a11.htm http://www.aidsmap.com/Saliva/page/1322841/ https://www.ncbi.nlm.nih.gov/pubmed/9989543 http://www.usp.br/nepaidsabia/images/BIBLIOTECA/_MIGRAR/oralhivtrans.pdf https://www.cdc.gov/mmwr/preview/mmwrhtml/00001257.htm https://www.nobelprize.org/nobel_prizes/medicine/laureates/2008/press.html https://www.hiv.lanl.gov/content/sequence/HelpDocs/subtypes-more.html http://www.the-scientist.com/?articles.view/articleNo/47352/title/HIV-Spread-from-Haiti-to-NYC-in-1970---Patient-Zero--Not-to-Blame/ http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0025956 https://retrovirology.biomedcentral.com/articles/10.1186/1742-4690-6-49 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC393899/ http://bedford.io/pdfs/papers/faria-hiv-spread.pdf ---------- Images: https://commons.wikimedia.org/wiki/File:Aids_Quilt.jpg https://commons.wikimedia.org/wiki/File:Hiv_gross.png https://en.wikipedia.org/wiki/T_cell#/media/File:Healthy_Human_T_Cell.jpg https://commons.wikimedia.org/wiki/File:Pneumocystisjiroveci.jpg https://en.wikipedia.org/wiki/Pneumocystis_pneumonia#/media/File:PCPxray.jpg